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Geevor at Grass

Processing

 

Classifying

Click to see a larger version of this imageclassifying machinery

Classifying is the process of sorting ore particles into sizes to prepare them for the next stage in the process.


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Separating

Click to see a larger version of this imagemill worker at a pair of shaking tables

Once the tin ore particles were ground to fine sand, the separation process removed any remaining waste from the ore.


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Brunton Calciner

Click to see a larger version of this imagedrawing of the interior of a brunton calciner

In the 1830s the Brunton Calciner was developed for arsenic recovery, which were used many Cornish mines until the 1950s.


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